MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac552a0297579cdda26c79d41c88717ef94880a46162dae366b3229e5024b25d. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ac552a0297579cdda26c79d41c88717ef94880a46162dae366b3229e5024b25d
SHA3-384 hash: 32d1c1366c068266c6006177626fbc0ce98a541fecb6c516797fc9b49fa3b7e5d223d740c7a5faee88a755b635592a02
SHA1 hash: b1ac51831348f2368ebad05857a3a8e0a344b492
MD5 hash: a50a813f19ec334b3791016a1506bc95
humanhash: friend-wisconsin-pip-west
File name:SecuriteInfo.com.Trojan.DownloaderNET.151.21045.15061
Download: download sample
Signature Formbook
Create hunting rule
File size:58'504 bytes
First seen:2021-04-01 21:49:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:hqQzioP3ztxHgfCBcf6FWmvGBNJWMOahNf0EBiNTi0ToGflgGflvx/FIwJGun51J:AQH/fgfC3BGpsmf5BeTfT67Clp
Threatray 74 similar samples on MalwareBazaar
TLSH 654371E859A546D3E22FFA308093351EEA75B2377DDD492B418262C7C90F3427DD826E
Reporter SecuriteInfoCom
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4-1.doc
Verdict:
Malicious activity
Analysis date:
2021-04-01 18:22:32 UTC
Tags:
ole-embedded exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/ac53f6a9-92d7-49f9-b44c-9295c3e833ee

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/131558/
Detection(s):
SecuriteInfo.com.Trojan.DownloaderNET.151.21045.15061.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Creating a window
Sending a UDP request
Running batch commands
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching cmd.exe command interpreter
Setting browser functions hooks
DNS request
Creating a file
Moving a recently created file
Launching a process
Setting a single autorun event
Sending an HTTP GET request to an infection source
Adding exclusions to Windows Defender
Unauthorized injection to a system process
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2a527be8-5809-40f6-a432-3fd3ede43d1a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/662946
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an autostart registry key pointing to binary in C:\Windows
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Found malware configuration
Hides threads from debuggers
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 380402 Sample: SecuriteInfo.com.Trojan.Dow... Startdate: 01/04/2021 Architecture: WINDOWS Score: 100 82 Multi AV Scanner detection for domain / URL 2->82 84 Found malware configuration 2->84 86 Malicious sample detected (through community Yara rule) 2->86 88 6 other signatures 2->88 9 SecuriteInfo.com.Trojan.DownloaderNET.151.21045.exe 18 13 2->9         started        14 svchost.exe 2->14         started        16 svchost.exe 1 2->16         started        18 3 other processes 2->18 process3 dnsIp4 72 asdcqwdwqx.gq 104.21.15.11, 49721, 49725, 80 CLOUDFLARENETUS United States 9->72 60 C:\Windows\Microsoft.NET\...\svchost.exe, PE32 9->60 dropped 62 C:\Windows\...\svchost.exe:Zone.Identifier, ASCII 9->62 dropped 94 Creates an autostart registry key pointing to binary in C:\Windows 9->94 96 Adds a directory exclusion to Windows Defender 9->96 98 Tries to delay execution (extensive OutputDebugStringW loop) 9->98 100 2 other signatures 9->100 20 SecuriteInfo.com.Trojan.DownloaderNET.151.21045.exe 9->20         started        24 cmd.exe 9->24         started        26 powershell.exe 25 9->26         started        30 3 other processes 9->30 28 WerFault.exe 14->28         started        file5 signatures6 process7 dnsIp8 70 192.168.2.1 unknown unknown 20->70 56 C:\Users\user\AppData\...\FB_BF05.tmp.exe, PE32 20->56 dropped 58 C:\Users\user\AppData\...\FB_B63A.tmp.exe, PE32 20->58 dropped 32 FB_BF05.tmp.exe 20->32         started        35 FB_B63A.tmp.exe 20->35         started        37 conhost.exe 24->37         started        39 timeout.exe 24->39         started        41 conhost.exe 26->41         started        43 conhost.exe 30->43         started        45 conhost.exe 30->45         started        file9 process10 signatures11 74 Antivirus detection for dropped file 32->74 76 Multi AV Scanner detection for dropped file 32->76 78 Machine Learning detection for dropped file 32->78 80 2 other signatures 32->80 47 explorer.exe 32->47 injected process12 signatures13 102 Drops executables to the windows directory (C:\Windows) and starts them 47->102 50 svchost.exe 47->50         started        54 svchost.exe 47->54         started        process14 dnsIp15 64 asdcqwdwqx.gq 50->64 90 System process connects to network (likely due to code injection or exploit) 50->90 92 Multi AV Scanner detection for dropped file 50->92 66 172.67.160.253, 49727, 80 CLOUDFLARENETUS United States 54->66 68 asdcqwdwqx.gq 54->68 signatures16
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ac552a0297579cdda26c79d41c88717ef94880a46162dae366b3229e5024b25d/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-04-01 21:23:04 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  2/5
Verdict:
suspicious
Similar samples:
19949d4abee41c81c343543fc5e71de14f297440940bceb3a8f2451c7edb7d9c
Formbook
5b7a19549c692c5dfec51bc6ddc8826132706ab03336321ccec6e02182d9d35e
Formbook
5ef3c86e05749f489fa0e6ac47f42142b9215750f5764fe4d02bffde19b56f54
Formbook
712c1077c77ff7e4f69fc4184c29b82b796fe0103204dd95b3a620cb64005ac8
Formbook
971b23e89575ff2b47e5639b20f902f7b7ce60b9f771a973c1f02fe4a211fb90
Formbook
b64422c4e30cfeaa48bcd34feff0a7b56125307f0dad0447dfae34d3743f3bb8
Formbook
b82d4c69a52d09bfc91295d110d6798593d0cf6ab2607e326f12f2ca9caac71d
Formbook
c944499478ec01b3353130d5738cb53299a2a3d4c6ed7212c9de702b14b02c90
Formbook
e68b161747e78a666871a5dc503d39ae7b16718e2546fa7ac9c65b37fd9035eb
Formbook
f218bab46409d5be3646a0b3d7c5af1c177df659b7e5a1055d12019cdab9409a
Formbook
+ 64 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook evasion persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/210401-z1lcg6m9jj/
Behaviour
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Windows security modification
Executes dropped EXE
Formbook Payload
Formbook
Windows security bypass
Malware Config
C2 Extraction:
http://www.unitedfootballcamps.com/bf3/
Unpacked files
SH256 hash:
ac552a0297579cdda26c79d41c88717ef94880a46162dae366b3229e5024b25d
MD5 hash:
a50a813f19ec334b3791016a1506bc95
SHA1 hash:
b1ac51831348f2368ebad05857a3a8e0a344b492
Link:
https://www.unpac.me/results/1b14466f-2dc3-403e-b103-c7086eb8529e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.10
Link:
https://yomi.yoroi.company/submissions/ac552a0297579cdda26c79d41c88717ef94880a46162dae366b3229e5024b25d

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe ac552a0297579cdda26c79d41c88717ef94880a46162dae366b3229e5024b25d

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/131558/
  
URLhaus
https://urlhaus.abuse.ch/url/1101206/
  
Delivery method
Distributed via web download

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